VARIATIONS IN THE ACIDITY OF THE URINE. 265 
TABLE XVI. exhibits the Variations in the Acidity for the 
several days composing Table XV. 
Feb. 3, Feb. 7 Feb. 8, Feb. 9, 
First day Second day Third day Fourth day 
re | ——, eH - 
= 
Per Bers) Per 7 her 
Per 1000 jour ||Per 1000 aien | Per 1000) pour ||Per 1000} Rowe 
+ 3°68) + 0°86]] + 2:13/ + 0-79 
+ 0°78) + 0°48)| + 1°45) + 0°58)! + 2°36) + 1:10|] + 2:04) + 1°12] Breakfast at 8. 
| — 0°20) — 0°39)! 0°00) + 0:00) + 0°46/+0°37)| 0-00) 0-00) Meat or eggs, 
0:00} 0-00)| — 0-44] — 0-35) + 1-56 + 1:22|| + 0-40) +.0-43]| or both, milk, 
+ 0°22) + 0°73}| + 0:80) + 0-60) + 1-28) + 1-18] +137) +117] water. 
| + 1:04) + 1°33)/ + 1°44) + 1°03)) + 1°20] + 1°34)| + 2-00) + 1°33 
Diet 
+ 1°25) + 0°46)| + 2°53) + 0°38 
| + 0°46) + 0°51)| + 1°80) + 1°37|| + 1°50) + 1°61)| + 1°80) +1°51|| Dinner at 2. 
— 0°60} — 0°83}| — 0°76] — 0°81]| — 0:45] — 0°42]! — 0:07| — 0:27] Meat and milk, 
— 0°57| — 0:97) — 0'34| — 0°36)| + 0°52] + 0°52)| + 0°60] + 0°42/| cheese, water. 
|| + 0°14] + 0°17)| + 1:14) + 1°21) + 0°96} + 1'39)|| + 1:00 +1-07 
+ 0°62) + 0°76|| + 1:24) + 1:24) + 1°32) + 1:27]| + 1:00) + 1°15]! A cup of water 
+ 0°21} + 0°49)| + 1:06] + 1°18]| + 0°40} + 1:14]| + 0:37) + 0°85]| between 9 and 
+ 1:09} + 0°58)| + 1°52) + 0°75]| + 1°04] + 0-61)| + 2°06 +0°64)| 11. 
|| + 2°25] + 0°72/| + 3°68! + 0°86]| + 2°13] + 0°79]| + 2°30! + 0°72 
The urine lost its acid reaction each day, both after 
breakfast and dinner, except on the third day, and even 
then it was reduced nearly to the neutral line. 
The diet used in these two sets of observations was va- 
riously composed. For breakfast, a mutton or pork chop, 
or beef steak, and water ; sometimes eggs and boiled milk, 
and once fried sole and boiled milk. For dinner, roast 
fowl, partridge or hare, broiled salmon, oysters, beef steak, 
mutton chop, cheese and milk. 
On the Effect of Food in general. 
Inasmuch as all our ordinary articles of diet, whether 
they be drawn from the vegetable or the animal kingdom, 
present the same elements of composition beneath a great 
diversity of outward condition, it might naturally be an- 
ticipated that their effects on the system would not be 
greatly dissimilar. 
In every article of diet, as offered by the hand of na- 
ture—in the flesh of beasts, birds, fish, and all other 
forms of animal life; in the seed of the various orders of 
cereals; in the succulent stems, roots and tubers of fresh 
